Ratio and Proportion MCQs with Answers

If $a : b : c = 3 : 4 : 7$, then the ratio $(a + b + c) : c$ is equal to ?

• A.$3 : 14$
• B.$2 : 1$
• C.$7 : 3$
• D.$14 : 3$

In a class of 24 students, the ratio of men to women is $3 : 5$. How many women are there?

• A.$9$
• B.$12$
• C.$15$
• D.$18$

Express 27 minutes 30 seconds : 1 hour in ratio ?

• A.$11:24$
• B.$9:20$
• C.$55:120$
• D.$12:25$

Find the fourth proportional to $3$, $7$ and $9$.

• A.$27$
• B.$18$
• C.$15$
• D.$21$

If $a : b = 8 : 9$ and $b : c = 6 : 5$, then find $a : b : c$.

• A.$16 : 18 : 15$
• B.$8 : 9 : 5$
• C.$48 : 54 : 45$
• D.$16 : 15 : 18$

A sum of Rs. 4800 is divided among A, B, and C in the ratio $4 : 3 : 5$. What is the share of C?

• A.Rs. 1600
• B.Rs. 1200
• C.Rs. 2000
• D.Rs. 2400

Past Paper MCQ

Find the 4th proportional to $4$, $16$ and $7$.

• A.$21$
• B.$32$
• C.$24$
• D.$28$

If $a : b = 2 : 5$ and $b : c = 3 : 7$, then $a : c$ is?

• A.$6 : 35$
• B.$2 : 7$
• C.$6 : 7$
• D.$10 : 21$

Length and width of a field are in the ratio $5:3$. If the width of the field is $42$ m, then its length is:

• A.$70$ m
• B.$60$ m
• C.$75$ m
• D.$65$ m

What is the fourth proportional of $3$, $9$, and $7$?

• A.$18$
• B.$24$
• C.$21$
• D.$27$